baber/WOPTO huggingface dataset:
Patent JP-2008203558-A (JP)
Title: Fixing device and image forming apparatus having the same
Inventor: EDAHIRO KAZUHISA
IPC: G03G15/20
Filed: 2007-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fixing device capable of peeling a transfer material by a compact configuration, shortening warmup time, and providing a glossy image of high image quality especially in a color electrophotographic apparatus, and to provide an image forming apparatus having the fixing device.  <P>SOLUTION: The fixing device includes: a plurality of freely rotatable support members including at least one drive roller; an endless belt extended between the support members; a pressure member carried out pressure contact with a first support member via the belt and forming a nip between them; a second support member located downstream of the nip, having a predetermined curvature radius, and pressing the belt; and a heating means for heating the belt. The second support member has a cooling means for cooling the belt.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008202707-A (JP)
Title: Frictional differential planetary-transmission
Inventor: SHIOZU ISAMU
IPC: F16H13/08
Filed: 2007-02-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a frictional differential planetary-transmission having a high durability, a simple structure, and reduced cost wherein an input shaft and an output shaft are coaxial with each other, and despite a reduced number of reduction-stages, a high reduction ratio can be achieved.  <P>SOLUTION: The frictional differential planetary-transmission includes a sun roller which is integrated with an input shaft supported rotatably in a housing, a plurality of planet rollers circumscribed around the sun roller, a cage which is provided in the perimeter of the sun roller so as to keep a regular space between each of the planet rollers, a cylindrical outside-roller fixed in the housing, a thin-walled cylinder which is placed between the inside surface of the outside roller and the outside surface of the planet rollers, and has an outside peripheral length shorter than the inside peripheral length of the outside roller, and an output shaft which is freely rotatably supported in the housing and coupled to the thin-walled cylinder. A power is transmitted by frictional force produced by the push between the thin-walled cylinder and the outside roller. A graded part is provided on the outside peripheral surface of the planet rollers, the planet rollers and the input shaft are axially press fit into the inside peripheral-part of the thin-walled cylinder.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007228586-A (JP)
Title: Improved technique for detecting, analyzing, and using visible authentication pattern
Inventor: PICARD JUSTIN
IPC: H04N1/387
Filed: 2007-02-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a technique for determining a copying relationship between digital representations.  <P>SOLUTION: The techniques include techniques for including a message in a copy detection pattern without altering the copy detection patterns entropy and reading the message, techniques for using a copy detection pattern on an analog form to determine whether the analog form is an original analog form without reference to a digital representation of the original of the analog form's copy detection pattern, techniques for increasing the sensitivity of copy detection using copy detection patterns by modifying one of two copy detection patterns that are being compared to take into account alterations resulting from the copying process, techniques for distributing a copy detection pattern across a document, and techniques for using the entropy of a copy detection pattern to locate the copy detection pattern. Also the techniques include techniques for applications of copy detection patterns with copying that involves transformations between the digital and analog forms and with digital-to-digital copying.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007187673-A (JP)
Title: Method and system for detecting moving direction of moving body
Inventor: KURATA KENICHIRO
IPC: G01C17/28
Filed: 2007-02-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and system for detecting the moving direction of a moving body capable of accurately estimating the moving direction by correcting the directional error by misalignment of terrestrial magnetism.  <P>SOLUTION: This method and system are used for specifying the position of the moving body based on a signal from a transmitter 701 disposed at a predetermined position. The system corrects a detection signal value of the travelling direction from a direction detecting means 801 included in the moving body, acquires a misalignment value of the terrestrial magnetism at the current position of the moving body based on the signal from the transmitter 701 in detecting the travelling direction of the moving body, and detects the direction by correcting the directional error of the detected signal value of the travelling direction of the moving body from the direction detecting means 801 using the acquired misalignment value of the terrestrial magnetism at that position.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2008208880-A (JP)
Title: Electromagnetic clutch
Inventor: KUSUDA TOSHIAKI
IPC: F16D27/10
Filed: 2007-02-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electromagnetic clutch capable of responding to both a system of directly connecting lead wires and a system of connecting the lead wires via a connector.  <P>SOLUTION: A connection terminal part 8 comprises a terminal block 8a formed integrally with a bobbin 6 by an insulating material and a pair of terminal members 61, 62 fitted to the terminal block 8a. In the connection terminal part 8, coil terminal parts 11 to which terminals of a coil 7 are connected, lead wire insertion ports 13a, 13b to which the tips of the lead wires 10 are inserted and a connector insertion port 15 to which the connector connected to the tips of the lead wires 10 is inserted are formed. A fixation claw 60 protects the coil terminal parts 11 and constitutes a part of the lead wire insertion ports 13a, 13b.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008211700-A (JP)
Title: Image reader
Inventor: KITAI SATOSHI
IPC: H04N1/19
Filed: 2007-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a radiation noise level by controlling a spread spectrum clock and to prevent deterioration in image quality that appears on an image as the side effect of the spread spectrum clock, when reading an image signal by means of a photoelectric conversion means using a spectrum-spreaded reference clock.  <P>SOLUTION: A timing generation circuit 306 generates a timing signal for synchronizing a CCD 303, an A/D conversion circuit 304, etc., for converting the optical image of a document into an analog signal. A reference clock inputted from a clock generator 321 to the timing generation circuit 306 is subjected to spectrum spread modulation in a frequency diffusion circuit 322. Furthermore, main scan line synchronism of the CCD 303 is varied for each line within the modulation cycle M of the frequency diffusion circuit 322. Main scan line synchronism variation control is performed by varying timing of a main scan line synchronizing signal, pulse-width, start timing of a driving clock of the CCD 303, etc.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008207772-A (JP)
Title: Vehicle body side structure
Inventor: EMURA MASAHIKO
IPC: B62D25/20
Filed: 2007-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vehicle body side structure capable of suppressing the bending deformation of a side door as much as possible in a vehicle side collision and surely holding the side door on a vehicle body, even if the side door is bent and deformed.  <P>SOLUTION: A stay 10 extending toward the inside of the vehicle width direction is provided at the lower edge of the side door 1. The stay 10 is provided with a lock claw 18 elevatable and displaceable in the vertical direction. A bent wall 16 engaged to the lock claw 18 projected upward to regulate the displacement of the lock claw 18 to the outside of the vehicle width direction is formed integrally with a side sill 11.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008219361-A (JP)
Title: Communication controller and communication control method
Inventor: KANDA SUKEKAZU
IPC: H04L47/43
Filed: 2007-03-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a communication controller capable of achieving communication in a data size having the highest communication efficiency in a terminal device in a communication system in which communication terminals are connected to one another through a network via a repeater such as a router and a gateway, and to provide a communication control program.  <P>SOLUTION: The communication controller is provided with: a means for transmitting and receiving data to/from the other terminal device; a means for determining whether received data transmitted from the other terminal device are fragmented by a repeater; a means for calculating a maximum data size in which data can be transmitted and received without being fragmented on the basis of the received data transmitted from the other terminal device when it is determined that the received data are fragmented; and a means for associating the calculated maximum data size with a terminal device identifier for specifying the other terminal device and storing the calculated maximum data size in a memory.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008216662-A (JP)
Title: Display panel defect checker and its method, and display
Inventor: IZUMI TAKESHI
IPC: G09G3/20
Filed: 2007-03-05
Abstract: <P>PROBLEM TO BE SOLVED: To easily check a display panel without exclusive wiring to the checker.  <P>SOLUTION: The check method of a display panel having a matrix-like pixel circuits arranged at the crossing areas of various scanning lines and signal lines and containing inner capacitors with their one ends connected to the write transistor and the other ends connected to the fixed potential, keeps the signal lines at a certain potential, turns on the write transistor, resets the inner capacitors by setting the voltages to zero across them, supplies write signals of a certain potential to the signal lines, sequentially supplies a certain writing scanning signals to the scanning lines so that the potential becomes a high level at the same timing and stores the charges in the inner capacitors, turns on the write transistor, and reads the charges stored in the inner capacitors through the signal lines, then checks whether the pixel circuit is defective or not based on the stored charge amount.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007240531-A (JP)
Title: Localization system of hydraulic pressure cylinder
Inventor: KOSSMANN GERHARD
IPC: F15B15/28
Filed: 2007-03-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a localization system of a hydraulic pressure cylinder with reduced wearing by improvement of surface characteristics of a piston rod and thereby with a prolonged service life.  <P>SOLUTION: The system includes at least one sensor, one magnet and the piston rod. The piston rod includes a metal core of high magnetic susceptibility and an approximately axial groove structure. Metal with magnetic susceptibility lower than that of the core is embedded in the groove structure. The sensor can measure the varying magnetic field of the core by the groove structure, to determine both the relative position and the absolute position of the piston rod.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2008224778-A (JP)
Title: Image forming apparatus, voltage power unit and method therefor
Inventor: WATANABE HIROYUKI
IPC: G03G21/00
Filed: 2007-03-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide an imaging forming apparatus and a voltage power unit which reduce rise time of voltage output from a piezoelectric transformer.  <P>SOLUTION: The image forming apparatus includes a piezoelectric transformer which outputs the voltage according to input driving frequency, a control means for controlling the driving frequency to control output voltage from the piezoelectric transformer and an image formation means for forming an image using the voltage output from the piezoelectric transformer. The control means is provided with an acquisition means for acquiring a voltage value output from the piezoelectric transformer, a setting means for setting a driving frequency corresponding to the acquired voltage value using a table in which correspondence relation between a plurality of driving frequencies and output voltage corresponding to the respective driving frequencies is preliminarily defined and a pulse generation means for generating a pulse of the driving frequency input to the piezoelectric transformer according to the set driving frequency.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008221358-A (JP)
Title: Radio device for detecting workpiece
Inventor: HASHIMOTO KATSUHIRO
IPC: B24B41/06
Filed: 2007-03-09
Abstract: <P>PROBLEM TO BE SOLVED: To detect the clamped state of a workpiece without using an air pipe and a signal cable.  <P>SOLUTION: In this radio device for detecting a workpiece, a radio proximity sensor detecting the position of the workpiece in the state of noncontact with each other, and transmitting, by radio, a signal related to the detection, is disposed on the rotation side thereof disposed on a machining device and integrally rotated with the work during the machining. A receiving antenna receiving the signal by radio is disposed on the non-rotating portion of the machining device at a position in proximity to the radio proximity sensor.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008221921-A (JP)
Title: Hybrid vehicle
Inventor: HOSOKAWA DAISUKE
IPC: F16H48/10
Filed: 2007-03-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hybrid vehicle which can surely obtain a drive characteristic of low rotation and high torque and high rotation and low torque, sufficiently secure a vehicle space, reduce a vehicle weight and optionally set a steering angle and a wheel stroke (wheel travel) by simplifying the constitution of a power line.  <P>SOLUTION: The hybrid vehicle 1 is equipped with a vehicle body 4, an engine 5 mounted on the vehicle body 4, an electric generator 6 driven by the engine 5, a hydraulic pump 7 driven by the engine 5, an electric motor driven by an electric energy from the electric generator 6, a hydraulic motor driven by a pressure oil from the hydraulic pump 7, a planetary gear mechanism 23 for combining the output from the electric motor and the output from the hydraulic motor, and wheels for traveling directly driven by the planetary gear mechanism 23.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007195234-A (JP)
Title: Image decoder
Inventor: MORIYA YOSHIMI
IPC: H04N19/174
Filed: 2007-03-09
Abstract: <P>PROBLEM TO BE SOLVED: To decode an H. 263 coded bit stream through a simple configuration.  <P>SOLUTION: When a first coded bit stream is received, image coded information used for decoding the first coded bit stream according to the syntax of second coded bit stream is determined, based on image coded information included in the header information of H. 263 coding system, and the first coded bit stream is decoded according to the syntax of the second coded bit stream, based on that image coded information. When a second coded bit stream is received, the second coded bit stream is decoded, based on the image coded information decoded by the decoding means.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007279704-A (JP)
Title: Optical fiber and broadband light source
Inventor: HIRANO MASAAKI
IPC: G02B6/036
Filed: 2007-03-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical fiber and a broadband light source capable of generating further broadband SC light.  <P>SOLUTION: A broadband light source 1 includes a seed light source 11 and an optical fiber 12. The seed light source 11 outputs light having a central wavelength in a wavelength range of 1,500 to 1,650nm. The optical fiber 12 inputs light output from the seed light source 11 and outputs supercontinuum light. The optical fiber 12 outputs supercontinuum light which has a zero distribution wavelength in a wavelength range from 1,300 to 1,500nm and an effective cross sectional area of ≤12μm<SP>2</SP>at the central wavelength and is spread with a wavelength band width of ≥1,000nm.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008227891-A (JP)
Title: Audio apparatus, delay measurement method, delay measurement program and its recording medium
Inventor: FURUNOBU MOMOTOSHI
IPC: H04R3/04
Filed: 2007-03-13
Abstract: <P>PROBLEM TO BE SOLVED: To perform delay time measurement useful when accurately synchronizing the sounds of respective channels at a listening position while adopting a multi-channel system.  <P>SOLUTION: A background noise estimation part 251 estimates a background noise volume level at a sound gathering position, and a subtraction part 261 subtracts the estimated background noise volume level and calculates a correction volume. Successively, a threshold time specifying part 262 specifies the threshold time at which the time integrated value of the correction volume after the output of test sound reaches a prescribed threshold. Then, a delay estimation part 263 estimates the time at which the correction volume becomes maximum as the arrival time of the direct waves of the test sound to the sound gathering position, in the period after the output of test sound until the threshold time. On the basis of the estimated result of the arrival time, propagation delay time from a speaker which outputs the test sound to the sound gathering position is estimated.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008225079-A (JP)
Title: Image display system and board
Inventor: SAEKI MASAHITO
IPC: H04N5/64
Filed: 2007-03-13
Abstract: <P>PROBLEM TO BE SOLVED: To adjust a showing position of a virtual image without causing increase in the size and the weight of an HMD.  <P>SOLUTION: A projecting optical system 52 included in the HMD 50 projects a part of a displaying beam IL emitted in order to cause an observer to view the virtual image to the outside. Then, a part of the display beam IL projected to the outside is received by light-receiving elements P1 to P3, arranged outside the HMD 50, and a coordinate arithmetic section 76 calculates the position and direction of the HMD 50 on the basis of these light receiving results. Furthermore, a main controller 20 decides on the showing position of the virtual image according to the detected position and direction of the HMD 50.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008227342-A (JP)
Title: Semiconductor device
Inventor: WATANABE SHINTARO
IPC: H01L23/12
Filed: 2007-03-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor device capable of suppressing the rapid temperature rise of a semiconductor element when heat larger than the heat in a regular heat generation state (normal state) is generated from the semiconductor element by overloads or the like.  <P>SOLUTION: The semiconductor device 10 comprises: a forced cooling type cooler 11; a ceramic substrate 13 bonded on the cooler 11 through a metal layer 14; a wiring metal layer 15 provided on the ceramic substrate 13; and the semiconductor element 16 bonded on the wiring metal layer 15. On the wiring metal layer 15, a thermal mass 17 is provided on a position on the outer side of a heat transmission route from the semiconductor element 16 to the cooler 11, at which the heat generated in the semiconductor element 16 before being transmitted to the cooler 11 can be temporarily stored. The thermal mass 17 is formed of the material of the same kind as the material of the wiring metal layer 15. The wiring metal layer 15 and the thermal mass 17 are formed of aluminum.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008223425-A (JP)
Title: Conversion force correcting device of turnout
Inventor: SAKURAI IKUO
IPC: E01B7/02
Filed: 2007-03-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a conversion force correcting device of a turnout which enables installation of the turnout in a canted section of a rail track by increasing and decreasing the conversion force of the turnout to prevent inability of conversion and breakage caused by the impact attributed to the conversion.  <P>SOLUTION: The conversion force correcting device 1 comprises a correcting force generating means 10 generating the correcting force for correcting the conversion force of the turnout 100, and a connecting means 20 connecting the correcting force generating means 10 to the side of tongue rails T, T in an interlocking manner to transmit the correcting force to the side of tongue rails T, T. The correcting force generating means 10 has a correcting force source 12 for accumulating the correcting force when the tongue rails T, T are at a lower position, and releasing the correcting force when they are at a higher position. The correcting force serves as assisting force when the position of the tongue rails T, T is converted from the lower position to the higher position by the conversion force, and serves as resisting force when the position is converted from the higher position to the lower position.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008223441-A (JP)
Title: Rail travelling wheel
Inventor: FURUSE KOJI
IPC: E05D15/06
Filed: 2007-03-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rail travelling wheel of an inexpensive and lightweight constitution, which is highly versatile by facilitating easy common application in different using conditions.  <P>SOLUTION: The rail travelling wheel comprises a wheel body 10 in which a flange 11, a rail tread 15 and an adaptor housing part 13 are integrally formed, and an adaptor 2 having a journal structure to an axle 5 and arranged to be fitted into the adaptor housing part 13. According to this structure, many kinds of wheels having different design specifications can be easily obtained by freely designing the adaptor 2 according to the purpose, use conditions or the like of the wheel 1 without being limited by the forming material or the like of the wheel body 10. Thus, the wheel 1 can be used in common and can enhance its versatility, leading to a lower cost, compared to a conventional integrally-structured wheel, for example, which requires alteration of the wheel structure when the design specification is changed.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008229906-A (JP)
Title: Image display medium forming method and image display medium forming apparatus
Inventor: IWASAKI YUKIKO
IPC: B32B7/04
Filed: 2007-03-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image display medium forming method capable of eliminating the obstruction factor of glossiness caused by the irregular reflection in tone without increasing cost.  <P>SOLUTION: When a fixed toner image is again heated in the state held between a transparent medium and an opaque medium, a heating condition for more accelerating the melting and softening of the toner image on the side of the opaque medium than that of the toner image on the side of the transparent medium is used not only to breaking bubbles, which are positioned at the boundary part of the transparent medium and the toner image opposed thereto to finely divide them but also to make it easy to move the bubbles positioned at the boundary part toward the opaque medium to prevent the occurrence of irregular reflection in a case that the bubbles are present at the boundary position of the transparent medium and the toner image opposed thereto.  <P>COPYRIGHT: (C)2009,JPO&INPIT